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Treacherous vs Perfidious - What's the difference?

treacherous | perfidious | Synonyms |

Perfidious is a synonym of treacherous.



As adjectives the difference between treacherous and perfidious

is that treacherous is exhibiting treachery while perfidious is of, pertaining to, or representing perfidy; disloyal to what should command one's fidelity or allegiance.

treacherous

English

Adjective

(en adjective)
  • Exhibiting treachery.
  • Deceitful; inclined to betray.
  • Unreliable; dangerous.
  • a treacherous mountain trail

    Antonyms

    * (exhibiting treachery) loyal

    perfidious

    English

    Adjective

    (en adjective)
  • Of, pertaining to, or representing perfidy; disloyal to what should command one's fidelity or allegiance.
  • * 1610 , , act 2 scene 2
  • *:TRINCULO (speaking about ): By this light, a most perfidious and drunken / monster: when his god's asleep, he'll rob his bottle.
  • * 1851 , , Dr. Goldsmith's History of Rome (ed. William C. Taylor), ch. 26:
  • The perfidious Ricimer soon became dissatisfied with Anthe'mius, and raised the standard of revolt.
  • * 1905 , , John Knox and the Reformation , ch. 14:
  • [S]he knew Huntly for the ambitious traitor he was, a man peculiarly perfidious and self-seeking.
  • * 2005 June 21, , " Art: The Velocipede of Modernism," Time :
  • When the Nazis branded Feininger a "degenerate artist" in 1937, he left 54 paintings for safekeeping with a Bauhaus friend named Hermann Klumpp. After the war, and for the rest of Feininger's life, the perfidious Klumpp refused to give them back.

    Synonyms

    * (disloyal) disloyal, traitorous, treacherous, unfaithful

    Derived terms

    * perfidiously * perfidiousness